<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no,maximum-scale=1.0">
    <title>Document</title>

    <link rel="stylesheet" href="./css/bootstrap.min.css" />
</head>
<body>
    <h1>这是h1测试</h1>
    <h2>这是h2测试</h2>
    <h3>这是h3测试</h3>
    <h4>这是h4测试</h4>

    <button type="button" class="btn btn-primary">Primary</button>
    <button type="button" class="btn btn-secondary">Secondary</button>
    <button type="button" class="btn btn-success">Success</button>
    <button type="button" class="btn btn-danger">Danger</button>
    <button type="button" class="btn btn-warning">Warning</button>
    <button type="button" class="btn btn-info">Info</button>
    <button type="button" class="btn btn-light">Light</button>
    <button type="button" class="btn btn-dark">Dark</button>
    
    <button type="button" class="btn btn-link">Link</button>

    <script src="./js/bootstrap.bundle.min.js"></script>
</body>
</html>